'''
os
calendar
sys
'''
import os
import calendar
# print(os.path.abspath('demo01.py'))
# print(os.path.basename('prc.py'))
# print(os.listdir(r'E:\Markdoc'))
# print(calendar.calendar(2019))
# print(calendar.firstweekday())
print(calendar.isleap(2020))
print(calendar.month(2019, 11))
